CN217812214U

CN217812214U - Scaffold for building construction

Info

Publication number: CN217812214U
Application number: CN202023014172.4U
Authority: CN
Inventors: 钱华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-11-15
Anticipated expiration: 2030-12-15

Abstract

A scaffold for building construction solves the problems that the existing scaffold is inconvenient in height adjustment and troublesome to use. The lifting device comprises a bottom plate, wherein a middle plate which vertically slides is arranged above the bottom plate, a standing plate which vertically slides is arranged above the middle plate, and the standing plate is of a structure which can be lifted along with the vertical lifting of the middle plate; the middle plate is hinged with two first connecting rods, the middle parts of the two first connecting rods are mutually crossed and hinged and fixed with the middle plate, the two first connecting rods form a scissors-shaped structure, the upper end of each first connecting rod is hinged with a second connecting rod, the upper end of each second connecting rod is hinged and fixed with the standing plate, the lower end of each first connecting rod is hinged with a third connecting rod, and the lower end of each third connecting rod is hinged and fixed with the bottom plate.

Description

Scaffold for building construction

Technical Field

The utility model belongs to the technical field of construction equipment technique and specifically relates to a scaffold for construction is related to.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process that various lines on a design drawing become objects in a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.

In the construction, often need use the scaffold, the steel pipe scaffold that mostly adopts of present scaffold, but this kind of equipment is special inconvenient, and the joint that all is the buckle that adopts goes on, all need carry out corresponding disassembling in the time of height-adjusting at every turn, uses special inconvenient, does not just have a special ladder that supplies the people to climb in addition, uses inconveniently, and has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a scaffold for construction, it is inconvenient effectual to have solved present scaffold height-adjusting, uses the trouble problem.

In order to realize the purpose, the utility model comprises a bottom plate, a middle plate which vertically slides is arranged above the bottom plate, a standing plate which vertically slides is arranged above the middle plate, and the standing plate is of a structure which can be lifted along with the vertical lifting of the middle plate;

the middle plate is hinged with two first connecting rods, the middle parts of the two first connecting rods are mutually crossed and hinged and fixed with the middle plate, the two first connecting rods form a scissors-shaped structure, the upper end of each first connecting rod is hinged with a second connecting rod, the upper end of each second connecting rod is hinged and fixed with the standing plate, the lower end of each first connecting rod is hinged with a third connecting rod, and the lower end of each third connecting rod is hinged and fixed with the bottom plate.

Preferably, the bottom plate left side fixedly connected with first cat ladder, stand the board left side fixedly connected with second cat ladder, the second cat ladder is for carrying out gliding structure along first cat ladder.

Preferably, the lower end of the middle plate is fixedly connected with a threaded rod, the lower end of the bottom plate is rotatably connected with a first bevel gear, and the lower end of the threaded rod is arranged below the bottom plate and is in threaded connection with the first bevel gear.

Preferably, a second bevel gear is meshed with the rear side of the first bevel gear, the second bevel gear is rotatably connected with the bottom plate, and the rear end of a gear shaft of the second bevel gear is located behind the bottom plate and is fixedly connected with a hand wheel.

Preferably, a disc is arranged below the bottom plate, the disc is fixedly connected with the bottom plate through a plurality of connecting rods, an expansion plate is fixedly connected with the lower end of the threaded rod, a plurality of tension springs are fixedly connected with the lower portion of the expansion plate, the tension springs are evenly distributed on the circumference, and the lower ends of the tension springs are fixedly connected with the disc.

Preferably, a supporting table which vertically slides is arranged on the right side of the bottom plate;

the bottom plate right side is equipped with rotatable wind, and the rotatable leading wheel that is connected with in station board right side, and the last winding of wind has wire rope, and the leading wheel is walked around to wire rope's rope end and brace table fixed connection.

Preferably, the winding device comprises a winding wheel rotationally connected with the bottom plate, the steel wire rope is wound on the winding wheel, and the winding wheel is coaxially and fixedly connected with the ratchet wheel;

the ratchet wheel is characterized by further comprising a pawl hinged and fixed with the bottom plate, the pawl is hinged and fixed with the bottom plate through a hinged shaft, a torsional spring is sleeved on the hinged shaft, one end of the torsional spring is fixedly connected with the bottom plate, the other end of the torsional spring is fixedly connected with the pawl, and the torsional spring is of a structure which can push the pawl to be close to the ratchet wheel all the time.

Preferably, the bottom plate outside articulates there is the cardboard, is equipped with the rectangular channel on the cardboard, and the cardboard can swing through the rectangular channel and pass the pawl, and the pawl outside is equipped with curved arch, is equipped with curved recess in the rectangular channel, and the protruding card is gone into to constitute the structure fixed with the pawl in the recess.

The utility model discloses novel structure thinks about ingeniously, and easy operation is convenient, can realize the rising of board of standing, and the rising position is adjustable wantonly, and relatively more stable, can not rock, climbs to the board of standing through two cat ladder constructors in addition, convenient safety.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the axial measurement structure of the present invention.

Fig. 3 is the structure diagram of the bottom plate of the present invention after being partially cut open.

Fig. 4 is the schematic structural view of the first ladder and the second ladder of the present invention.

Fig. 5 is a schematic structural view of the winding device of the present invention.

Fig. 6 is an enlarged schematic view of a portion a in fig. 3.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-6.

As shown in fig. 1-6, the utility model comprises a bottom plate 1, a middle plate 2 which can slide vertically is arranged above the bottom plate 1, a standing plate 3 which can slide vertically is arranged above the middle plate 2, and the standing plate 3 is a structure which can lift along with the vertical lifting of the middle plate 2;

the middle plate 2 is hinged with two first connecting rods 4, the middle parts of the two first connecting rods 4 are mutually crossed and are hinged and fixed with the middle plate 2, the two first connecting rods 4 form a scissors-shaped structure, the upper end of each first connecting rod 4 is hinged with a second connecting rod 5, the upper end of each second connecting rod 5 is hinged and fixed with the standing plate 3, the lower end of each first connecting rod 4 is hinged with a third connecting rod 6, and the lower end of each third connecting rod 6 is hinged and fixed with the bottom plate 1.

In the utility model, a worker stands on the standing plate 3, when the intermediate plate 2 is vertically lifted, the worker can drive the standing plate 3 to lift together, and the lifting speed of the standing plate 3 is one time of that of the intermediate plate 2;

the middle plate 2 drives the first connecting rod 4 to ascend when ascending, at this time, under the action of the third connecting rod 6, the first connecting rod 4 swings towards the middle, and at the moment, the second connecting rod 5 also swings towards the middle, so that the standing plate 3 also vertically ascends and descends.

The base plate 1 left side fixedly connected with first cat ladder 7, the board 3 left side fixedly connected with second cat ladder 8 of standing, second cat ladder 8 carries out gliding structure for carrying out along first cat ladder 7.

As shown in fig. 4, the first ladder stand 7 comprises first protection plates on two sides, and a plurality of first climbing rods are sequentially fixed between the two first protection plates from top to bottom;

the second crawling ladder 8 comprises second protection plates on two sides, and a plurality of second crawling rods are sequentially fixed between the two second protection plates from top to bottom;

a vertical T-shaped groove is formed in the outer side of the first protection plate, a T-shaped block is slidably arranged in the T-shaped groove, and the outer end of the T-shaped block penetrates through the T-shaped groove and is fixedly connected with the second protection plate;

first cat ladder 7 is together fixed with bottom plate 1, prevents rocking of first cat ladder 7, and second cat ladder 8 is together fixed with the board 3 of standing, prevents rocking of second cat ladder 8, and when the board 3 of standing carries out vertical lift, second cat ladder 8 slides along first cat ladder 7 to change both complex positions, constructor directly can follow first cat ladder 7 and second cat ladder 8 and climb to the board 3 of standing like this.

The lower end of the middle plate 2 is fixedly connected with a threaded rod 9, the lower end of the bottom plate 1 is rotatably connected with a first bevel gear 10, and the lower end of the threaded rod 9 is arranged below the bottom plate 1 and is in threaded connection with the first bevel gear 10.

As shown in fig. 6, the upper end of the first bevel gear 10 is rotatably connected to the bottom plate 1, and when the first bevel gear 10 rotates, the threaded rod 9 is driven to slide, so that the intermediate plate 2 vertically ascends and descends, and the threaded connection has good self-locking performance, thereby ensuring the stability of the intermediate plate 2 after ascending and descending.

A second bevel gear 11 is meshed with the rear side of the first bevel gear 10, the second bevel gear 11 is rotatably connected with the bottom plate 1, and the rear end of a gear shaft of the second bevel gear 11 is positioned behind the bottom plate 1 and is fixedly connected with a hand wheel 12.

As shown in fig. 6, for the convenience of operation, the handwheel 12 is rotated to drive the second bevel gear 11 to rotate, and the second bevel gear 11 drives the first bevel gear 10 to rotate, so as to complete the vertical lifting of the intermediate plate 2.

The improved screw thread cutting machine is characterized in that a disc 13 is arranged below the bottom plate 1, the disc 13 is fixedly connected with the bottom plate 1 through a plurality of connecting rods, a stretching plate 14 is fixedly connected with the lower end of the threaded rod 9, a plurality of tension springs 15 are fixedly connected with the lower portion of the stretching plate 14, the tension springs 15 are evenly distributed on the circumference, and the lower ends of the tension springs 15 are fixedly connected with the disc 13.

As shown in fig. 3 and 6, the disc 13 is fixed below the bottom plate 1 by a connecting rod, and when the threaded rod 9 ascends, the tension spring 15 is stretched, and the elastic potential energy of the tension spring 15 is increased, so that the stability of the lower end can be ensured.

A supporting table which vertically slides is arranged on the right side of the bottom plate 1;

the right side of the bottom plate 1 is provided with a rotatable winding device 16, the right side of the standing plate 3 is rotatably connected with a guide wheel 18, a steel wire rope 17 is wound on the winding device 16, and the rope end of the steel wire rope 17 bypasses the guide wheel 18 and is fixedly connected with the supporting platform.

The utility model discloses in, we have left out the brace table on the drawing, and the brace table can be a thing basket of carrying, also can be other things that can bear the weight of article, and we are through the rotation of wind-up device 16 to make the steel wire winding, thereby upwards pull up the brace table, make things convenient for the constructor to take the instrument like this, put the instrument on the brace table.

The winding device 16 comprises a winding wheel 19 which is rotationally connected with the bottom plate 1, the steel wire rope 17 is wound on the winding wheel 19, and a ratchet wheel 20 is coaxially and fixedly connected with the winding wheel 19;

the ratchet wheel is characterized by further comprising a pawl 21 hinged and fixed with the bottom plate 1, the pawl 21 is hinged and fixed with the bottom plate 1 through a hinge shaft, a torsion spring is sleeved on the hinge shaft, one end of the torsion spring is fixedly connected with the bottom plate 1, the other end of the torsion spring is fixedly connected with the pawl 21, and the torsion spring is of a structure for always pushing the pawl 21 to be close to the ratchet wheel 20.

As shown in fig. 5, the ratchet 20 cooperates with the pawl 21 to form a unidirectional rotation structure, so that the safety effect can be increased, when the support platform needs to be lowered, the cooperation of the ratchet 20 and the pawl 21 is opened, so that the pawl 21 is not clamped with the ratchet 20 any more, and the support platform is lowered;

when the platform board 3 is raised, the engagement between the ratchet 21 and the ratchet 20 is released, and the wire rope 17 at the end of the support table is fixed to the base board 1, so that the platform board 3 can be raised.

The outside of bottom plate 1 articulates there is cardboard 22, is equipped with the rectangular channel on the cardboard 22, and cardboard 22 can swing through the rectangular channel and pass pawl 21, and the pawl 21 outside is equipped with curved arch, is equipped with curved recess in the rectangular channel, and the arch card constitutes the structure of fixing pawl 21 in the recess.

As shown in fig. 5, one hand is used to swing the pawl 21 so that the lower end of the pawl 21 swings inward, and the other hand swings the catch plate 22 so that the pawl 21 passes through the rectangular groove, releasing the pawl 21 so that the projection is caught in the recess, thus releasing the engagement of the ratchet 20 with the pawl 21.

The utility model discloses when using, thereby make the board 3 of standing to carry out vertical lift through the rotation of hand wheel 12, constructor sends the instrument to near the board 3 of standing through wind 16 to the board 3 of standing through first cat ladder 7 and second cat ladder 8 on climbing to the board 3 of standing, makes things convenient for taking of instrument like this.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The scaffold for building construction is characterized by comprising a bottom plate (1), wherein a middle plate (2) which vertically slides is arranged above the bottom plate (1), a standing plate (3) which vertically slides is arranged above the middle plate (2), and the standing plate (3) is of a structure which can vertically lift along with the middle plate (2);

intermediate plate (2) articulates there are two first connecting rods (4), two first connecting rods (4) middle part intercrossing are articulated fixed with intermediate plate (2), two first connecting rods (4) constitute the structure of scissors form, every first connecting rod (4) upper end articulates there is second connecting rod (5), second connecting rod (5) upper end is articulated fixed with station board (3), every first connecting rod (4) lower extreme articulates there is third connecting rod (6), third connecting rod (6) lower extreme is articulated fixed with bottom plate (1).

2. A construction frame for building construction according to claim 1, wherein a first ladder (7) is fixedly connected to the left side of the base plate (1), a second ladder (8) is fixedly connected to the left side of the standing plate (3), and the second ladder (8) is configured to slide along the first ladder (7).

3. A construction frame as claimed in claim 1, wherein the lower end of the intermediate plate (2) is fixedly connected with a threaded rod (9), the lower end of the bottom plate (1) is rotatably connected with a first bevel gear (10), and the lower end of the threaded rod (9) is arranged below the bottom plate (1) and is in threaded connection with the first bevel gear (10).

4. A construction frame for building construction according to claim 3, wherein a second bevel gear (11) is engaged with the rear side of the first bevel gear (10), the second bevel gear (11) is rotatably connected with the bottom plate (1), and the rear end of the gear shaft of the second bevel gear (11) is positioned behind the bottom plate (1) and is fixedly connected with a hand wheel (12).

5. The scaffold for building construction according to claim 3, wherein a disc (13) is arranged below the bottom plate (1), the disc (13) is fixedly connected with the bottom plate (1) through a plurality of connecting rods, a development plate (14) is fixedly connected to the lower end of the threaded rod (9), a plurality of tension springs (15) are fixedly connected to the lower portion of the development plate (14), the tension springs (15) are uniformly distributed on the circumference, and the lower ends of the tension springs (15) are fixedly connected with the disc (13).

6. A scaffold for building construction according to claim 1, wherein a support platform sliding vertically is provided on the right side of the bottom plate (1);

the rotary winding device (16) is arranged on the right side of the bottom plate (1), the guide wheel (18) is rotatably connected to the right side of the standing plate (3), a steel wire rope (17) is wound on the winding device (16), and the rope end of the steel wire rope (17) bypasses the guide wheel (18) and is fixedly connected with the supporting platform.

7. A construction scaffold as claimed in claim 6, wherein said winding means (16) comprises a reel (19) rotatably connected to the base plate (1), a wire rope (17) wound on the reel (19), the reel (19) being coaxially and fixedly connected with a ratchet (20);

still include pawl (21) articulated fixed with bottom plate (1), pawl (21) are articulated fixed through articulated shaft and bottom plate (1), and the cover is equipped with the torsional spring on the articulated shaft, torsional spring one end and bottom plate (1) fixed connection, the other end and pawl (21) fixed connection of torsional spring, the torsional spring is for promoting the structure that pawl (21) are close to ratchet (20) all the time.

8. The scaffold for building construction as claimed in claim 7, wherein the outside of the bottom plate (1) is hinged with a clamping plate (22), the clamping plate (22) is provided with a rectangular groove, the clamping plate (22) can swing through the rectangular groove to pass through the pawl (21), the outside of the pawl (21) is provided with an arc-shaped protrusion, the rectangular groove is provided with an arc-shaped groove, and the protrusion is clamped into the groove to form a structure for fixing the pawl (21).